Oftentimes problems occur if you're uploading a file in the wrong format. Make sure you’re using a supported file type: https://goo.gl/uzeiLp . Also, take a look at these tips for videos stuck during upload: https://goo.gl/l30Bvm . Hope this helps!
-
-
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.